/**
 * Copyright (c) 2008, Mu Dynamics.
 *  All rights reserved.
 *  
 *   Redistribution and use in source and binary forms, with or without modification, 
 *   are permitted provided that the following conditions are met:
 *   
 *  - Redistributions of source code must retain the above copyright notice, 
 *     this list of conditions and the following disclaimer.
 *  - Redistributions in binary form must reproduce the above copyright notice, 
 *     this list of conditions and the following disclaimer in the documentation and/or 
 *     other materials provided with the distribution.
 *  - Neither the name of the "Mu Dynamics" nor the names of its contributors may be used 
 *     to endorse  or promote products derived from this software without specific prior 
 *     written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.mu.jacob.core.ant;

import java.util.Properties;

import org.apache.tools.ant.Project;
import org.apache.tools.ant.taskdefs.Property;
import org.apache.tools.ant.types.PropertySet;

/**
 * Manages configuration properties
 * @author Adam Smyczek
 */		
public class PropertyHelper {

	private Properties properties = new Properties();

	public Properties getProperties() {
		Properties result = new Properties();
		result.putAll(properties);
		return result;
	}
	
	/**
	 * Set project
	 * @param project
	 */
	public void setProject(Project project) {
		properties.put("basedir", project.getBaseDir().getAbsolutePath());
	}
	
	public void addConfiguredPropertySet(PropertySet ps) {
		properties.putAll(ps.getProperties());
	}
	
	/**
	 * Properties with an null value may be used as flags, for example
	 * uses <code>prop("myprop")?exists</code> in FreeMarker templates
	 * for existents of the <code>myprop</code> property.
	 * @param property
	 */
	public void addConfiguredProperty(Property property) {
		properties.put(property.getName(), (property.getValue() != null)?property.getValue():"true");
	}
	
}
